ENR Northwest is pleased to announce the names of the firms who participated in this year's Top Design Firms survey.

You'll see our final rankings published in our Nov. 5-12, 2018 issue. We'll tell you which Northwest design firms rank in what spots, their revenues of the last year, and who are the major firms in specific sectors.

This precursory list is subject to change, and you can still turn in your survey until Oct. 19 by going to the online form: 

Here is ENR Northwest’s preliminary list of Top Design Firms, in alphabetical order:

AECOM
Affiliated Engineers Inc.
Arcadis North America
Cardno
Carollo Engineers
Collins Engineers Inc.
CTA Architects Engineers
Dahlin Group Architecture Planning
David Evans Enterprises Inc.
Dennis Group
DOWL
Ennead Architects
HNTB Corp.
Interface Engineering
Kennedy/Jenks Consultants Inc.
Kleinfelder
Michael Baker International
Mott MacDonald
Murraysmith
Parametrix
PBS Engineering and Environmental Inc.
R&M Consultants Inc.
Stantec
SWCA Environmental Consultants
Terracon Consultants Inc.
Wiss, Janney, Elstner Associates
WSP USA
ZGF Architects LLP